Have you thought of it this way. The CTO is there to keep you safe and well when you loose the insight to do so yourself. If you show insight and are proactive in saying I'm struggling with x,y,z what can we do to work together to keep me out of hospital and supported they are more likely to keep you out of hospital. If you nip this in the bud now, with their support it demonstrates that you can be trusted to work with them and identify what's going wrong early on.